Nuclear negotiators for Iran, obligated to dispose tons of enriched uranium under an approaching deal, are focusing on a U.S.-backed plan for Iran to send the material to another country for sale as reactor fuel, diplomats told The Associated Press on Saturday.

Witnesses say a man has driven through a security barrier and parked in a restricted area outside the courthouse where Boston Marathon bomber Dzhokhar Tsarnaev (joh-HAHR' tsahr-NEYE'-ehv) was being sentenced.

Experts from the World Health Organization and South Korea on Saturday downplayed concerns about the MERS virus spreading further within the country, which recorded its 14th death and a dozen new infections, but said it was premature to declare the outbreak over.

Deeply personal information submitted by U.S. intelligence and military personnel for security clearances — mental illnesses, drug and alcohol use, past arrests, bankruptcies and more — is in the hands of hackers linked to China, officials say.